Hot answers tagged embed
You can add a code block by using Ctrl + Alt + 6 (or ⌘ + Alt + 6 on Mac) Source: https://medium.com/help-center/writing-128f049a7ad#b41a
Just click on the video title, it will take you to YouTube. Then click on Share button, grab the embed link and paste it on your blog.
I don't know this for sure, but it may be because Medium is served exclusively over https, so embeds must also be https. JS Bin is available under https with a pro account: https://jsbin.com/upgrade
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